/sys$common/syshlp/helplib.hlb FORTRAN, Error Messages, Run Time Errors, General, NO_SUCDEV  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  NUMBER:  42

  ERROR CODE:  F

  MESSAGE TEXT:  no such device

  EXPLANATION:  A file-name specification included an invalid or
  unknown device name when an open operation was attempted.